HRV Metrics Collinearity Analysis
Correlation matrix showing relationships between HRV features. High correlations (|r| > 0.8) indicate potential multicollinearity issues for predictive modeling.
Low HR Activity
High HR Activity
Interpretation Guide
- |r| > 0.9: Very high collinearity - consider removing one feature
- 0.7 < |r| < 0.9: High collinearity - may cause issues in regression
- 0.5 < |r| < 0.7: Moderate correlation - acceptable for most analyses
- |r| < 0.5: Low correlation - independent features
DOC_PAT_BMI
Low HR Activity - Samples
13
High HR Activity - Samples
13
Low HR - Significant
4
High HR - Significant
0
Correlation Heatmaps
Low HR Activity
High HR Activity
Individual Metric Correlations
Low HR Activity
High HR Activity
Correlation Comparison Table
| HRV Metric | Low HR - r | Low HR - p | High HR - r | High HR - p |
|---|---|---|---|---|
| RMSSD | -0.270 Sig | 0.0085 | -0.153 NS | 0.1351 |
| SDNN | -0.223 Sig | 0.0305 | -0.110 NS | 0.2814 |
| HTI | -0.218 Sig | 0.0349 | -0.109 NS | 0.2877 |
| ULF | 0.004 NS | 0.9670 | -0.055 NS | 0.5894 |
| VLF | 0.016 NS | 0.8774 | 0.092 NS | 0.3702 |
| LF | 0.003 NS | 0.9753 | 0.024 NS | 0.8131 |
| HF | -0.042 NS | 0.6896 | 0.017 NS | 0.8704 |
| VHF | -0.026 NS | 0.8040 | 0.045 NS | 0.6646 |
| TP | -0.006 NS | 0.9572 | 0.044 NS | 0.6703 |
| LFHF | 0.243 Sig | 0.0182 | 0.038 NS | 0.7125 |
| LFn | 0.024 NS | 0.8165 | -0.037 NS | 0.7199 |
| HFn | -0.173 NS | 0.0948 | -0.055 NS | 0.5949 |
| LnHF | -0.064 NS | 0.5397 | 0.001 NS | 0.9949 |
DAPSA_Score
Low HR Activity - Samples
13
High HR Activity - Samples
13
Low HR - Significant
0
High HR - Significant
4
Correlation Heatmaps
Low HR Activity
High HR Activity
Individual Metric Correlations
Low HR Activity
High HR Activity
Correlation Comparison Table
| HRV Metric | Low HR - r | Low HR - p | High HR - r | High HR - p |
|---|---|---|---|---|
| RMSSD | 0.114 NS | 0.4345 | -0.013 NS | 0.9263 |
| SDNN | 0.096 NS | 0.5132 | -0.084 NS | 0.5591 |
| HTI | 0.112 NS | 0.4455 | 0.010 NS | 0.9469 |
| ULF | 0.046 NS | 0.7550 | 0.315 Sig | 0.0245 |
| VLF | 0.071 NS | 0.6300 | 0.180 NS | 0.2065 |
| LF | -0.023 NS | 0.8730 | 0.198 NS | 0.1629 |
| HF | -0.053 NS | 0.7188 | 0.336 Sig | 0.0158 |
| VHF | -0.141 NS | 0.3328 | 0.164 NS | 0.2513 |
| TP | 0.009 NS | 0.9513 | 0.277 Sig | 0.0488 |
| LFHF | 0.120 NS | 0.4116 | -0.106 NS | 0.4598 |
| LFn | 0.108 NS | 0.4602 | 0.023 NS | 0.8716 |
| HFn | -0.050 NS | 0.7305 | 0.170 NS | 0.2338 |
| LnHF | 0.036 NS | 0.8068 | 0.284 Sig | 0.0438 |
PASDAS
Low HR Activity - Samples
13
High HR Activity - Samples
13
Low HR - Significant
0
High HR - Significant
0
Correlation Heatmaps
Low HR Activity
High HR Activity
Individual Metric Correlations
Low HR Activity
High HR Activity
Correlation Comparison Table
| HRV Metric | Low HR - r | Low HR - p | High HR - r | High HR - p |
|---|---|---|---|---|
| RMSSD | 0.018 NS | 0.8955 | -0.203 NS | 0.1294 |
| SDNN | -0.023 NS | 0.8683 | -0.218 NS | 0.1031 |
| HTI | -0.009 NS | 0.9470 | -0.168 NS | 0.2129 |
| ULF | 0.032 NS | 0.8156 | 0.112 NS | 0.4067 |
| VLF | 0.007 NS | 0.9614 | 0.066 NS | 0.6238 |
| LF | -0.056 NS | 0.6873 | 0.046 NS | 0.7322 |
| HF | -0.064 NS | 0.6405 | 0.049 NS | 0.7159 |
| VHF | -0.040 NS | 0.7691 | 0.010 NS | 0.9390 |
| TP | -0.031 NS | 0.8245 | 0.061 NS | 0.6547 |
| LFHF | 0.089 NS | 0.5190 | 0.066 NS | 0.6237 |
| LFn | -0.025 NS | 0.8555 | 0.048 NS | 0.7214 |
| HFn | -0.117 NS | 0.3935 | 0.005 NS | 0.9730 |
| LnHF | -0.017 NS | 0.9044 | 0.079 NS | 0.5601 |
PSAID_Final_Score
Low HR Activity - Samples
13
High HR Activity - Samples
13
Low HR - Significant
1
High HR - Significant
0
Correlation Heatmaps
Low HR Activity
High HR Activity
Individual Metric Correlations
Low HR Activity
High HR Activity
Correlation Comparison Table
| HRV Metric | Low HR - r | Low HR - p | High HR - r | High HR - p |
|---|---|---|---|---|
| RMSSD | -0.050 NS | 0.6751 | -0.125 NS | 0.2893 |
| SDNN | 0.036 NS | 0.7622 | -0.155 NS | 0.1862 |
| HTI | 0.023 NS | 0.8487 | -0.111 NS | 0.3462 |
| ULF | -0.072 NS | 0.5475 | 0.111 NS | 0.3454 |
| VLF | -0.201 NS | 0.0908 | -0.002 NS | 0.9835 |
| LF | -0.262 Sig | 0.0264 | -0.026 NS | 0.8271 |
| HF | -0.215 NS | 0.0702 | 0.004 NS | 0.9704 |
| VHF | -0.212 NS | 0.0735 | 0.018 NS | 0.8757 |
| TP | -0.230 NS | 0.0522 | -0.000 NS | 0.9983 |
| LFHF | -0.015 NS | 0.9026 | -0.090 NS | 0.4435 |
| LFn | -0.073 NS | 0.5397 | -0.028 NS | 0.8155 |
| HFn | -0.086 NS | 0.4709 | 0.059 NS | 0.6168 |
| LnHF | -0.197 NS | 0.0964 | 0.099 NS | 0.4015 |
CRP_mg_dL
Low HR Activity - Samples
13
High HR Activity - Samples
13
Low HR - Significant
0
High HR - Significant
0
Correlation Heatmaps
Low HR Activity
High HR Activity
Individual Metric Correlations
Low HR Activity
High HR Activity
Correlation Comparison Table
| HRV Metric | Low HR - r | Low HR - p | High HR - r | High HR - p |
|---|---|---|---|---|
| RMSSD | 0.028 NS | 0.8099 | -0.075 NS | 0.5161 |
| SDNN | -0.058 NS | 0.6224 | -0.111 NS | 0.3342 |
| HTI | -0.025 NS | 0.8289 | -0.108 NS | 0.3459 |
| ULF | -0.045 NS | 0.7022 | -0.069 NS | 0.5505 |
| VLF | 0.006 NS | 0.9563 | 0.020 NS | 0.8641 |
| LF | -0.001 NS | 0.9926 | -0.007 NS | 0.9487 |
| HF | 0.021 NS | 0.8583 | -0.027 NS | 0.8112 |
| VHF | 0.024 NS | 0.8373 | 0.023 NS | 0.8438 |
| TP | 0.004 NS | 0.9722 | -0.007 NS | 0.9532 |
| LFHF | -0.096 NS | 0.4122 | 0.077 NS | 0.5044 |
| LFn | 0.026 NS | 0.8236 | 0.013 NS | 0.9112 |
| HFn | 0.085 NS | 0.4692 | -0.068 NS | 0.5547 |
| LnHF | 0.036 NS | 0.7608 | -0.022 NS | 0.8469 |
DEMOGR_AGE
Low HR Activity - Samples
13
High HR Activity - Samples
13
Low HR - Significant
1
High HR - Significant
6
Correlation Heatmaps
Low HR Activity
High HR Activity
Individual Metric Correlations
Low HR Activity
High HR Activity
Correlation Comparison Table
| HRV Metric | Low HR - r | Low HR - p | High HR - r | High HR - p |
|---|---|---|---|---|
| RMSSD | 0.013 NS | 0.9011 | -0.317 Sig | 0.0013 |
| SDNN | -0.098 NS | 0.3389 | -0.215 Sig | 0.0310 |
| HTI | -0.151 NS | 0.1389 | -0.294 Sig | 0.0029 |
| ULF | 0.022 NS | 0.8272 | 0.029 NS | 0.7713 |
| VLF | -0.037 NS | 0.7185 | -0.146 NS | 0.1464 |
| LF | 0.010 NS | 0.9201 | -0.164 NS | 0.1014 |
| HF | 0.099 NS | 0.3305 | -0.173 NS | 0.0837 |
| VHF | 0.157 NS | 0.1226 | 0.114 NS | 0.2571 |
| TP | 0.028 NS | 0.7829 | -0.150 NS | 0.1344 |
| LFHF | -0.263 Sig | 0.0089 | 0.077 NS | 0.4453 |
| LFn | -0.181 NS | 0.0743 | -0.289 Sig | 0.0034 |
| HFn | 0.113 NS | 0.2666 | -0.317 Sig | 0.0013 |
| LnHF | 0.024 NS | 0.8124 | -0.329 Sig | 0.0008 |
Overall HAQ Score
Low HR Activity - Samples
13
High HR Activity - Samples
13
Low HR - Significant
0
High HR - Significant
1
Correlation Heatmaps
Low HR Activity
High HR Activity
Individual Metric Correlations
Low HR Activity
High HR Activity
Correlation Comparison Table
| HRV Metric | Low HR - r | Low HR - p | High HR - r | High HR - p |
|---|---|---|---|---|
| RMSSD | -0.092 NS | 0.4368 | -0.163 NS | 0.1629 |
| SDNN | -0.107 NS | 0.3664 | -0.240 Sig | 0.0383 |
| HTI | -0.073 NS | 0.5408 | -0.221 NS | 0.0568 |
| ULF | 0.073 NS | 0.5399 | 0.073 NS | 0.5340 |
| VLF | -0.064 NS | 0.5918 | 0.045 NS | 0.7001 |
| LF | -0.137 NS | 0.2461 | 0.000 NS | 0.9993 |
| HF | -0.086 NS | 0.4716 | 0.053 NS | 0.6538 |
| VHF | -0.035 NS | 0.7701 | 0.040 NS | 0.7363 |
| TP | -0.080 NS | 0.4984 | 0.038 NS | 0.7484 |
| LFHF | 0.017 NS | 0.8879 | -0.063 NS | 0.5898 |
| LFn | -0.095 NS | 0.4232 | -0.012 NS | 0.9176 |
| HFn | -0.102 NS | 0.3904 | 0.100 NS | 0.3914 |
| LnHF | -0.077 NS | 0.5179 | 0.109 NS | 0.3530 |
DOC_VAS_H
Low HR Activity - Samples
13
High HR Activity - Samples
13
Low HR - Significant
0
High HR - Significant
3
Correlation Heatmaps
Low HR Activity
High HR Activity
Individual Metric Correlations
Low HR Activity
High HR Activity
Correlation Comparison Table
| HRV Metric | Low HR - r | Low HR - p | High HR - r | High HR - p |
|---|---|---|---|---|
| RMSSD | -0.207 NS | 0.0515 | -0.248 Sig | 0.0169 |
| SDNN | -0.202 NS | 0.0572 | -0.264 Sig | 0.0110 |
| HTI | -0.163 NS | 0.1275 | -0.234 Sig | 0.0250 |
| ULF | -0.055 NS | 0.6091 | -0.051 NS | 0.6270 |
| VLF | -0.112 NS | 0.2943 | -0.128 NS | 0.2235 |
| LF | -0.148 NS | 0.1676 | -0.120 NS | 0.2545 |
| HF | -0.141 NS | 0.1880 | -0.087 NS | 0.4082 |
| VHF | -0.134 NS | 0.2111 | -0.074 NS | 0.4812 |
| TP | -0.135 NS | 0.2083 | -0.117 NS | 0.2654 |
| LFHF | -0.015 NS | 0.8902 | -0.037 NS | 0.7242 |
| LFn | -0.022 NS | 0.8389 | -0.054 NS | 0.6121 |
| HFn | -0.022 NS | 0.8405 | 0.033 NS | 0.7565 |
| LnHF | -0.052 NS | 0.6308 | -0.017 NS | 0.8735 |